Deep impact socket set in 1/2" square drive, with 14 single hex (6pt) sockets from 10mm to 30mm. The generous 80mm depth gives much better access to hard-to-reach bolts that cannot be adjusted with a conventional set. This heavy duty set is manufactured from chrome molybdenum for strength and durability with a black phosphate finish for improved corrosion resistance. Find the right socket at a glance with the high contrast, easy to read size markings etched onto each socket. Presented in a fitted EVA foam tray for safe and organised tool storage, ideal for tool chest drawers. Socket sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 24, 27, 30mm.1/2"D x Single Hex (6pt) x 80mm deep. Hardened and tempered sockets designed for impact use; manufactured from chrome molybdenum with black phosphate finish Presented in an EVA foam tray (45 x 280 x 293mm) convenient for user storage and limiting packaging waste.